8731408b11
There are a handful of core system services that collect data from third-party ContentProviders by spinning them up and then caching the results locally in memory. However, if those apps are killed due to low-memory pressure, they lose that cached data and have to collect it again from scratch. It's impossible for those apps to maintain a correct cache when not running, since they'll miss out on Uri change notifications. To work around this, this change introducing a narrowly-scoped caching mechanism that maps from Uris to Bundles. The cache is isolated per-user and per-calling-package, and internally it's optimized to keep the Uri notification flow as fast as possible. Each Bundle is invalidated whenever a notification event for a Uri key is sent, or when the package hosting the provider is changed. This change also wires up DocumentsUI to use this new mechanism, which improves cold-start performance from 3300ms to 1800ms. The more DocumentsProviders a system has, the more pronounced this benefit is. Use BOOT_COMPLETED to build the cache at boot. Add more permission docs, send a missing extra in DATA_CLEARED broadcast. Bug: 18406595 Change-Id: If3eae14bb3c69a8b83a65f530e081efc3b34d4bc
122 lines
5.4 KiB
XML
122 lines
5.4 KiB
XML
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.android.documentsui">
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<uses-permission android:name="android.permission.GET_APP_GRANTED_URI_PERMISSIONS" />
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<uses-permission android:name="android.permission.MANAGE_DOCUMENTS" />
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<uses-permission android:name="android.permission.REMOVE_TASKS" />
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<uses-permission android:name="android.permission.WAKE_LOCK" />
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<uses-permission android:name="android.permission.CACHE_CONTENT" />
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<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
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<application
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android:name=".DocumentsApplication"
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android:label="@string/app_label"
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android:supportsRtl="true">
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<activity
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android:name=".DocumentsActivity"
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android:theme="@style/DocumentsTheme"
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android:icon="@drawable/ic_doc_text">
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<intent-filter>
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<action android:name="android.intent.action.OPEN_DOCUMENT" />
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<category android:name="android.intent.category.DEFAULT" />
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<category android:name="android.intent.category.OPENABLE" />
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<data android:mimeType="*/*" />
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</intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.CREATE_DOCUMENT" />
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<category android:name="android.intent.category.DEFAULT" />
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<category android:name="android.intent.category.OPENABLE" />
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<data android:mimeType="*/*" />
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</intent-filter>
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<intent-filter android:priority="100">
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<action android:name="android.intent.action.GET_CONTENT" />
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<category android:name="android.intent.category.DEFAULT" />
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<category android:name="android.intent.category.OPENABLE" />
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<data android:mimeType="*/*" />
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</intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.OPEN_DOCUMENT_TREE" />
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<category android:name="android.intent.category.DEFAULT" />
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</intent-filter>
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</activity>
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<activity
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android:name=".LauncherActivity"
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android:theme="@android:style/Theme.NoDisplay"
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android:icon="@drawable/ic_files_app"
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android:label="@string/files_label">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity
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android:name=".FilesActivity"
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android:theme="@style/DocumentsTheme"
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android:icon="@drawable/ic_files_app"
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android:label="@string/files_label"
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android:documentLaunchMode="intoExisting">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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</intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.VIEW_DOWNLOADS" />
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<category android:name="android.intent.category.DEFAULT" />
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</intent-filter>
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<intent-filter>
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<action android:name="android.provider.action.BROWSE" />
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<category android:name="android.intent.category.DEFAULT" />
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<data android:mimeType="vnd.android.document/root" />
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</intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.VIEW" />
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<category android:name="android.intent.category.DEFAULT" />
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<data android:mimeType="application/zip"
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android:host="com.android.providers.downloads.documents"
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android:scheme="content" />
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<data android:mimeType="application/x-zip"
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android:host="com.android.providers.downloads.documents"
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android:scheme="content" />
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<data android:mimeType="application/x-zip-compressed"
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android:host="com.android.providers.downloads.documents"
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android:scheme="content" />
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</intent-filter>
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</activity>
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<activity
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android:name=".OpenExternalDirectoryActivity"
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android:theme="@android:style/Theme.Translucent.NoTitleBar">
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<intent-filter>
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<action android:name="android.os.storage.action.OPEN_EXTERNAL_DIRECTORY" />
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<category android:name="android.intent.category.DEFAULT" />
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</intent-filter>
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</activity>
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<provider
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android:name=".RecentsProvider"
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android:authorities="com.android.documentsui.recents"
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android:exported="false"/>
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<receiver android:name=".PackageReceiver">
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<intent-filter>
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<action android:name="android.intent.action.PACKAGE_FULLY_REMOVED" />
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<action android:name="android.intent.action.PACKAGE_DATA_CLEARED" />
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<data android:scheme="package" />
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</intent-filter>
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</receiver>
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<receiver android:name=".BootReceiver">
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<intent-filter>
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<action android:name="android.intent.action.BOOT_COMPLETED" />
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</intent-filter>
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</receiver>
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<service
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android:name=".services.FileOperationService"
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android:exported="false">
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</service>
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</application>
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</manifest>
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